Hair dryer



FIG. 1 is a top, front, and right side perspective view of our newdesign for a hair dryer;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a front elevation thereof when resting on its right side; and,

FIG. 7 is a rear elevation thereof when resting on its right side.

We claim the ornamental design for a hair dryer, as shown.